2018 Audi S1 2.0 TFSI Competition

Price: £17,999. Fair price: £710 (4%) over the AskCar estimate of £17,289, our expected asking price for this car from its model, age, mileage and specification, drawing on 47 priced Audi S1 adverts on AskCar as of 4 November 2026.

AskCar lists 49 used Audi S1 from 45 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: S1
  • Trim: Competition
  • Version: 2.0 TFSI Competition Manual 4WD Euro 6 (s/s) 5dr (228 bhp)
  • Year: 2018
  • Mileage: 55,194 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 4 seats
  • Engine: 2.0 litres, 228 bhp
  • Gearbox: Manual
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 168 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi S1 Competition is advertised with 55,194 miles on the clock. The dealer is asking £17,999, which is £710 above the AskCar estimate of £17,289. To work out the AskCar estimate, we analyse UK dealer adverts for 47 Audi S1 cars across different ages and specifications. We have tracked this advert today. The government's MOT record matches its advertised mileage. It is for sale at Sansoms Specialist Cars in Morpeth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £710 (4%) over the AskCar estimate of £17,289.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 47 priced Audi S1 adverts across different ages and specifications, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 Audi S1 advertised today.

Price history

AskCar first saw this advert on 4 November 2026 at £17,999. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 14 November 2027.

It has had 8 MOTs. The latest, on 21 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 54,952 miles, which matches the advertised 55,194 miles.

Similar cars

4 other 2018 Audi S1 Competition 2.0 petrol manual hatchbacks are for sale at UK dealers, from £15,950 to £20,995, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi S1 Competition, 2.0 petrol hatchback, blue. Mileage: 56,000 miles. Price: £16,345, £1,654 less than this car. Dealer: MP Auto Group in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-s1-2018-b004bc6ac20a
  • 2018 Audi S1 Competition, 2.0 petrol hatchback, white. Mileage: 52,479 miles. Price: £15,990, £2,009 less than this car. Dealer: Bella Cars in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-s1-2018-5096f89e1505
  • 2018 Audi S1 Competition, 2.0 petrol hatchback, red. Mileage: 60,868 miles. Price: £15,950, £2,049 less than this car. Dealer: Parkway Motor Group in Edwinstowe. AskCar page: https://askcar.co.uk/car/audi-s1-2018-2f8cdb2c804a

Browse all Audi S1 cars for sale · 2018 Audi S1 price guide

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Photos

11 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.